If are not on a 64-bit linux platform, then do the following:

1. Visit http://www.egenix.com/products/python/mxBase/ and download the appropriate 3.1.3 file.
2. unzip the file, cd into the directory 
3. run:
   python setup.py bdist_egg
4. copy the dist/egenix_mx_base-3.1.3* file to requirements/eggs
5. (re-)run bootstrap.py

